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Browsing by Author "Radhika, Dharmadhikari"

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Building a large affordable optical-NIR telescope (I): an alternate way to handle segmented primary mirror

Radhika, Dharmadhikari; Parihar, P; Jacob, A (Springer Nature, 2023-12)

The use of innovative ideas and the latest technology have undoubtedly brought down telescope costs substantially. However, there are still ways to further reduce the cost of optical ground-based telescopes and make them ...
Design and development of a mirror support system for prototype segmented mirror telescope

Govinda, K. V; Parihar, P. S; Kemkar, P. M. M; Goudar, Abhishek; Sandeep, D. S; Muthahar, R. Mohammed; Sagayanathan, K; Radhika, Dharmadhikari; Divya, P. H (SPIE-The International Society for Optical Engineering, 2022-08)

The segment support system of any segmented mirror telescope is considered to be one of the most critical subsystem. The segment support not only holds the mirror without altering its figure, but also features mechanism ...
Optical design of FOSC and wide field aberration corrector for the prototype segmented mirror telescope

Radhika, Dharmadhikari; Jacob, Annu; Parihar, P (SPIE - Society of Photo-Optical Instrumentation Engineers, 2023-05)

The Prototype Segmented Mirror Telescope (PSMT) is a 1.3m segmented mirror telescope that aims to develop and demonstrate the segmented mirror technology indigenously. The telescope design includes a spherical primary with ...
Study on phasing of segmented mirrors using the dispersed fringe technique

Radhika, Dharmadhikari (Indian Institute of Astrophysics, 2020-07)

The segmented mirror technology is being extensively used these days in astronomical telescopes, in order to achieve higher resolution and sensitivity with lower manufacturing costs. To make the segments work like a ...
Study on segmentation and alignment related effects in a 10m class telescope

Jacob, A; Parihar, P. S; James, Melvin K; Radhika, Dharmadhikari (SPIE-The International Society for Optical Engineering, 2022-08)

Indian astronomers are aiming to build a large 10m class optical-NIR telescope, equipped with state-of art instruments. After exploring many potential design options, we ended up with two mirror Ritchey-Chretien (RC) type ...

Browsing by Author "Radhika, Dharmadhikari"

Browsing by Author "Radhika, Dharmadhikari"

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